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Optically switchable gallium metasurfaces

Optically switchable gallium metasurfaces
Optically switchable gallium metasurfaces
We report on the first experimental demonstration of an optically nonlinear gallium-based photonic metamaterial, in which a reversible light-induced transition between solid and liquid phases occurring in a confined nanoscale surface layer of the metal drives significant changes in reflectivity, offering high contrast all-optical switching in the visible/near-infrared range at low, µW/µm2, optical excitation intensities.
Waters, Robin F.
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MacDonald, K.F.
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Hobson, P.A.
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Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Waters, Robin F.
5e879468-af85-47d3-8db5-1c4b4d3eaad3
MacDonald, K.F.
76c84116-aad1-4973-b917-7ca63935dba5
Hobson, P.A.
85f41988-20a0-463f-9a5b-3f23a6c414b5
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Waters, Robin F., MacDonald, K.F., Hobson, P.A. and Zheludev, N.I. (2015) Optically switchable gallium metasurfaces. CLEO/Europe - EQEC, Munich, Munich, Germany. 21 - 25 Jun 2015. (In Press)

Record type: Conference or Workshop Item (Paper)

Abstract

We report on the first experimental demonstration of an optically nonlinear gallium-based photonic metamaterial, in which a reversible light-induced transition between solid and liquid phases occurring in a confined nanoscale surface layer of the metal drives significant changes in reflectivity, offering high contrast all-optical switching in the visible/near-infrared range at low, µW/µm2, optical excitation intensities.

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More information

Accepted/In Press date: 23 March 2015
Venue - Dates: CLEO/Europe - EQEC, Munich, Munich, Germany, 2015-06-21 - 2015-06-25
Organisations: Optoelectronics Research Centre
Learn more about Optoelectronics Research Centre research

Identifiers

Local EPrints ID: 379162
URI: http://eprints.soton.ac.uk/id/eprint/379162
PURE UUID: 559e52be-0a8e-46b3-8241-69d489827593
ORCID for K.F. MacDonald: ORCID iD orcid.org/0000-0002-3877-2976
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 15 Jul 2015 17:30
Last modified: 15 Mar 2024 03:03

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Contributors

Author: Robin F. Waters
Author: K.F. MacDonald ORCID iD
Author: P.A. Hobson
Author: N.I. Zheludev ORCID iD

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